[1]
Anggraeni, D.A. et al. 2023. Problem-Solving Ability through Flipped-Problem Based Learning on Elasticity Materials for High School Student. Kasuari: Physics Education Journal (KPEJ). 6, 1 (Nov. 2023), 1–10. DOI:https://doi.org/10.37891/kpej.v6i1.367.